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Dual Medium Indensity LED Strobe System

FAA Type: L-864/865

ICAO Type: Type A/B Medium Intensity Obstacle Light

ETL Certified: 

FAA Advisory Circular 150/5345-43G


Compliant for use with: 

ICAO Annex 14, MIL-C-7989, DGAC of Mexico, CAR 621.19 



The Horizontm Dual Medium Intensity Light Strobe System provides daytime white and nighttime red lights in one unit. Its self-contained power supply, with available GPS sync and day/night sensor, simplifies wiring but also accepts external signals if desired. Advanced features include advanced LED modules, cutting edge optics (patent pending), individual LED monitoring/bypass, active lightning protection (patent pending), built-in testing, micro processor controlled and fully serviceable unit. The unit also monitors the system and provides a NO or NC alarm contact upon any system failure. 



Medium intensity obstruction lighting systems are typically used on structures between 150’ (45m) and 500’(150m) above ground level to provide aviation safety. The use of a medium intensity white strobe during the daytime typically eliminates the need to paint the structure with aviation orange and white stripes. The use of a red flashing beacon at night provides a „community friendly” light. Hughes & Philips medium intensity obstruction lights are designed for lighting tall structures such as communication, television and radio towers, wind turbines, smokestacks, cooling towers, tall buildings, catenary river crossings and bridges. 


System Features:



Original Equipment Manufacturer

  • designed, engineered and manufactured by Hughey & Philips
  • one source for fixtures and complete lighting systems

Single Flashed construction

- compact design for dual (red/white) operation

Failsafe Redundancy

- automatic switching for nighttime redundancy of dual systems

Wiring Compatibility

  • existing wiring can be used for retrofit applications
  • environmentally sealed connector
  • fewest number of control wiring on the market

Interchangeable LED Modules

  • single screw access
  • built-in safety interlock switch
  • fully field serviceable unit

Cutting edge Optics design

  • H&P exclusively designed ‚Eklipse’ optics package (patent pending)
  • community friendly lighting system

Advanced Systems
Lightest Flashead

  • micro processor controlled
  • buil-in testing
  • 17 lbs

Universal Input

  • Ease of handling installation
  • Operating voltage of 95-277 VAC, 50/60Hz


Unit weight: 17 lbs (7.7 kg)

Supply voltage: 95-277 VAC 50/60Hz - Universal Input 

Average power: 26 Watts Day, 15 Watts Night

Operating temperature: -40˚ to 55˚C (-40˚ to 131˚ F)